package com.itcast.anno;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

//元注解
@Retention(RetentionPolicy.RUNTIME) //运行时生效
@Target(ElementType.METHOD) //目标对象：方法上
public @interface Log {
}
